2038070781 has 16 divisors (see below), whose sum is σ = 3021744000. Its totient is φ = 1357642944.

The previous prime is 2038070767. The next prime is 2038070803. The reversal of 2038070781 is 1870708302.

It is not a de Polignac number, because 2038070781 - 2¹⁰ = 2038069757 is a prime.

It is a super-2 number, since 2×2038070781² = 8307465016731899922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2038070711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5920 + ... + 64118.

It is an arithmetic number, because the mean of its divisors is an integer number (188859000).

Almost surely, 2^2038070781 is an apocalyptic number.

It is an amenable number.

2038070781 is a deficient number, since it is larger than the sum of its proper divisors (983673219).

2038070781 is a wasteful number, since it uses less digits than its factorization.

2038070781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59505 (or 59499 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 2038070781 is about 45144.9972975966. The cubic root of 2038070781 is about 1267.8652173989.

The spelling of 2038070781 in words is "two billion, thirty-eight million, seventy thousand, seven hundred eighty-one".